Colloquial noun for an empty stomach, often used when feeling hungry or when eating/drinking on an empty stomach.
See also: 空き腹
If you drink alcohol on an empty stomach, you get drunk easily.
I came home with an empty stomach.
Alternate spelling using 空き for 'empty'; less common than すきっ腹.
A colloquial strengthened form of 空き腹（すきはら）“empty stomach,” with consonant gemination and the change of は to ぱ, producing すきっぱら.